Parastenolechia

Liu, Linjie & Li, Houhun, 2016, Taxonomic review of the genus Parastenolechia Kanazawa (Lepidoptera, Gelechiidae, Litini) from Mainland China, with descriptions of six new species, Zootaxa 4178 (1) : -

Key to Chinese species of Parastenolechia based on male genitalia

1. Glandiductor asymmetrical............................................................................. 2

- Glandiductor symmetrical.............................................................................. 4

2. Left glandiductor longer than right one (dorsal view) ( Fig. 23 ).................................. P trapezia sp. nov.

- Left glandiductor shorter than right one (dorsal view)....................................................... 3

3. Juxta not dilated basally; valva with inner lobe less than 1/3 length of outer lobe ( Fig. 19 )............ P. arciformis sp. nov.

- Juxta triangularly dilated basally; valva with inner lobe slightly shorter than outer lobe ( Fig. 3 )....... P. medispina sp. nov.

4. Outer lobe of valva exceeding end of juxta................................................................ 5

- Outer lobe of valva not exceeding end of juxta............................................................. 6

5. Tegumen with a large membranous process ventrally ( Fig. 18 )......................................... P. collucata

- Tegumen without process ventrally ( Fig. 25 )................................................ P. longifolia sp. nov.

6. Juxta merged in basal half, distal 1/6 of lateral margin convex outward semielliptically to before apex ( Fig. 24 )............................................................................................. P. semielliptica sp. nov.

- Juxta separated in basal half, lateral margin not distinctly convex outward distally.................................. 7

7. Outer lobe of valva longer than juxta ( Fig. 16 ).................................................... P albicapitella

- Outer lobe of valva obviously shorter than juxta............................................................ 8

8. Juxta distinctly widened outward from middle to before apex ( Fig. 17 )................................ P. argobathra

- Juxta not widened outward from middle to before apex....................................................... 9

9. Valva with outer lobe clubbed ( Fig. 22 )......................................................... P. claustrifera

- Valva with outer lobe papillary ( Fig. 20 ) or short digitiform ( Fig. 21 )............................ P. papillaris sp. nov.

Figures

FIGURES 21 – 25. Male genitalia of Parastenolechia spp. 21, P. papillaris sp. nov., paratype, slide No. LLJ 15091; 22, P. claustrifera Meyrick, slide No. LLJ 15036; 23, P. trapezia sp. nov., paratype, slide No. LLJ 15009; 24, P. semielliptica sp. nov., holotype, slide No. LLJ 15054; 25, P. longifolia sp. nov., holotype, slide No. LLJ 15043 (Scale bars = 0.3 mm).

FIGURES 16 – 20. Male genitalia of Parastenolechia spp. 16, P. albicapitella, slide No. LLJ 14110; 17, P. argobathra, slide No. LLJ 15045; 18, P. collucata, slide No. LLJ 15044; 19, P. arciformis sp. nov., paratype, slide No. LLJ 15063; 20, P. papillaris sp. nov., paratype, slide No. LLJ 15087 (Scale bars = 0.3 mm).

FIGURES 3 – 5. Morphology of Parastenolechia spp. 3. Male genitalia of P. medispina sp. nov., holotype, slide No. LLJ 15043; 4. Eighth sternum of P. semielliptica sp. nov., holotype, slide No. LLJ 15054; 5. Female genitalia of P. trapezia sp. nov., paratype, slide No. LLJ 15049 (Scale bars = 0.3 mm).